1. To insert or remove a Micro SIM card, carefully pry open the Card slot door.
   Note: Do not pull the slot door completely off.
   
2. Insert a Micro SIM card into the indicated slot with its metal contacts facing down, then push the card until it locks into place.
   
3. To remove the Micro SIM card, push the card in until it ejects.
   
4. To access additional memory (up to 32GB of storage), insert a microSD card (sold separately) into the AT&T Modio LTE case.
   
5. To insert or remove a microSD card, carefully pry open the microSD card slot door.
   
6. Insert a microSD card into the indicated slot, then push the card until it locks into place.
   
7. To remove the microSD card, push the card in until it ejects.